/Engine/Source/Editor/StaticMeshEditor/Public/StaticMeshEditorSubsystem.h
Get number of convex collisions present on a static mesh.
An integer representing the number of convex collisions on the input static mesh. An negative value indicates that the command could not be executed. See log for explanation.
int32 GetConvexCollisionCount ( [UStaticMesh](API\Runtime\Engine\Engine\UStaticMesh) * StaticMesh )